Building off the high-performance FX platform, the all-new FX4 canister filter bridges the gap between the Fluval 406 and the FX6 canister filters, making it an ideal choice for aquariums up to 250 US Gal (1000 L).

• Multi-stage filter pumps out 700 gallons (2650 L) of water per hour
• Smart Pump™ – advanced microchip technology continuously monitors and optimizes pump performance
• Self-starting – just add water, plug in and Smart Pump™ will take over. Trapped air auto-evacuated every 12 hours to ensure maximum efficiency
• Easy water changes eliminate need to lift heavy buckets. Simply attach hosing to output (Kit sold separately) and Smart Pump™ does the rest
• Removable, stackable media baskets eliminate water bypass and hold a total of 1 gallon (3.9 L) of media
• All filter media included – mechanical, chemical and biological
• Aqua-Stop valves with leak-proof Click-Fit attachment system
• Valves positioned at convenient 45-degree angle for easy installation and rotation
• Anti-clog, telescopic strainer ensures continuous water flow
• Multi-Directional Output nozzles can be fully adjusted to create customized water flows
• Utility Valve with drain hose for easy maintenance and flushing of canister
• Rubberized feet help ensure quiet operation
• Compact 16.5″ tall design – easily fits under most aquariums
• Made in Italy
• For use in freshwater and saltwater aquariums